IsDown experienced a major incident on November 18, 2025 affecting Website and Monitors ( Third-party services ) and 1 more component, lasting 3h 59m. The incident has been resolved; the full update timeline is below.
Affected components
WebsiteMonitors ( Third-party services )Monitors ( Websites )
Update timeline
- investigating Nov 18, 2025, 11:56 AM UTC
There's an ongoing outage with Cloudflare that affects access to IsDown for some users. More details in https://www.cloudflarestatus.com/incidents/8gmgl950y3h7
- investigating Nov 18, 2025, 12:06 PM UTC
This might also impact the monitoring of third-party services for status pages that are behind Cloudflare.
- monitoring Nov 18, 2025, 02:49 PM UTC
Cloudflare says we issue is now fixed, and we're seeing improvements.
- resolved Nov 18, 2025, 03:56 PM UTC
This incident has been resolved.